Pulley

Details Pulley Pulley

2007-11-09

2008-11-04

Langdon, Evan H (Department: 3654)

Implements or apparatus for applying pushing or pulling force

Device or member for contacting and guiding moving cable

Including rotatable, cable contacting, pulley wheel element

C254S409000, C254S223000

Reexamination Certificate

active

07445195

ABSTRACT:
A pulley includes a tensioning device and a ratchet device disposed in the tensioning device. The tensioning device includes a first shell, a second shell installed to the first shell, and a first compartment defined in a side thereof. The tensioning device further includes a first block and a second block located in the first compartment, with the first and second blocks adapted to pivot in the tensioning device. The ratchet device includes an actuating element, a ratchet, a first gripping element and a second gripping element, with the ratchet, the first and second gripping elements mounted onto the first block in sequence, with the actuating element provided to control the pivoting direction of the ratchet as to limit the direction of pulling a rope, which is winded between the first and second gripping elements.

REFERENCES:
patent: 395113 (1888-12-01), Skyba
patent: 516268 (1894-03-01), Hartz
patent: 5368281 (1994-11-01), Skyba
patent: 5722640 (1998-03-01), Skyba
patent: 5957432 (1999-09-01), Ostrobrod
patent: 6068242 (2000-05-01), Kingery
patent: 6092791 (2000-07-01), Kingery
patent: 6149133 (2000-11-01), Skyba
patent: 6446936 (2002-09-01), Ostrobrod
patent: 7287303 (2007-10-01), Yang

Affiliated with

Also associated with

Rating

Pulley does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pulley, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pulley will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4038006